Index: M:/projects/groovy/groovy-eclipse/trunk/groovy/ide/groovy-eclipse/org.codehaus.groovy.eclipse.ui/src/org/codehaus/groovy/eclipse/ui/internal/navigator/GroovyNavigatorContentProvider.java
===================================================================
--- M:/projects/groovy/groovy-eclipse/trunk/groovy/ide/groovy-eclipse/org.codehaus.groovy.eclipse.ui/src/org/codehaus/groovy/eclipse/ui/internal/navigator/GroovyNavigatorContentProvider.java	(revision 9860)
+++ M:/projects/groovy/groovy-eclipse/trunk/groovy/ide/groovy-eclipse/org.codehaus.groovy.eclipse.ui/src/org/codehaus/groovy/eclipse/ui/internal/navigator/GroovyNavigatorContentProvider.java	(working copy)
@@ -17,6 +17,7 @@
 import org.eclipse.jface.viewers.IDoubleClickListener;
 import org.eclipse.jface.viewers.ITreeContentProvider;
 import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.jface.viewers.TreeSelection;
 import org.eclipse.jface.viewers.TreeViewer;
 import org.eclipse.jface.viewers.Viewer;
 
@@ -146,7 +147,11 @@
 	 * @see org.codehaus.groovy.eclipse.model.GroovyBuildListner#fileBuilt(org.eclipse.core.resources.IFile)
 	 */
 	public void fileBuilt(IFile fileBuilt) {
-		viewer.refresh();
+		if (viewer instanceof TreeViewer) {
+			((TreeViewer) viewer).refresh(((TreeSelection) viewer
+					.getSelection()).getFirstElement());
+		}
+
 		GroovyPlugin.trace("updating input data for NavigationContent: "
 				+ fileBuilt);
 	}